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Anatomy > UE Muscles > Flashcards

UE Muscles Flashcards

1
Q

TRAPEZIUS II (Middle/Transverse)

A

O - T1-T4 SPs (aponeuroses)

I - Scapular spine, medial acromion

A - Retraction

N - Accessory Nerve (CN XI); ventral rami C2-C4

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2
Q

TRAPEZIUS III (Lower/Ascending)

A

O - T5-T12 SPs

I - Medial scapular spine

A - Upward rotation; retraction; depression

N - Accessory Nerve (CN XI); ventral rami C2-C4

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3
Q

RHOMBOID MAJOR

A

O - T1-T4 SPs

I - Medial Border of Scapula BELOW Scapular Spine

A - Retraction; Elevation; Downward Rotation

N - Dorsal Scapular Nerve

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4
Q

RHOMBOID MINOR

A

O - C6-C7 SPs

I - Medial Border Scapula ABOVE Scapular Spine

A - Retraction; Elevation; Downward Rotation

N - Dorsal Scapular Nerve

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5
Q

LEVATOR SCAPULAE

A

O - Upper Cervical C1-C4 TPs

I - Superior Angle Scapula

A - Elevation; Downward Rotation (c/s extension)

N - Dorsal Scapular Nerve

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6
Q

SUPRASPINATUS

A

O - Supraspinous Fossa

I - Greater Tuberosity Humerus

A - Abduction; Ext Rotation; depression/stab of HH in GF

N - Suprascapular Nerve

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7
Q

INFRASPINATUS

A

O - Infraspinous Fossa

I - Greater Tuberosity Humerus

A - Hor. Abduction; Ext Rotation; stab HH in GF

N - Suprascapular Nerve

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8
Q

TERES MINOR

A

O - Lateral Border of Scapula

I - Greater Tuberosity Humerus

A - Hor Abduction; Ext Rotation; (Adduction)

N - Axillary Nerve

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9
Q

SUBSCAPULARIS

A

O - Subscapular Fossa

I - Lesser Tuberosity Humerus

A - Int Rotation; Hor. Adduction

N - Upper and Lower Subscapular Nerves

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10
Q

STERNOCLEIDOMASTOID

A

O - Manubrium and Medial Clavicle

I - Mastoid Process; Superior Nuchal Line

A - Ipsilat. Lateral C-Spine Flexion; Contralat C-Spine Rotation; Extension (Bilateral)

N - Accessory Nerve (CN XI) and Ventral Rami C1-C2

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11
Q

SUBCLAVIUS

A

O - Superior Surface 1st Rib

I - Inferior, Lateral Surface of Clavicle

A - Stabilize Clavicle (dynamic ligament)

N - Nerve to Subclavius

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12
Q

PECTORALIS MINOR

A

O - Ant Surface of Ribs 3-5

I - Coracoid Process Scapula

A - Ant Tip Scapula; Protraction; Downward Rotation; Depression

N - Medial and Lateral Pectoral Nerves

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13
Q

SERRATUS ANTERIOR (SUPERIOR)

A

O - Lat Surface Ribs 1-5

I - Medial Border Scapula; Superior Angle

A - Protraction; Downward Rotation; Elevation; Stabilize Medial Border

N - Long Thoracic Nerve

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14
Q

SERRATUS ANTERIOR (INFERIOR)

A

O - Lat Surface Ribs 5-9

I - Medial Border Scapula; Inferior Angle

A - Protraction; Upward Rotation; Depression; Stabilize Medial Border

N - Long Thoracic Nerve

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15
Q

TRAPEZIUS I (Upper/Descending)

A

O - Occipital bone; ligamentum nuchae; C1-C7 SPs

I - Lateral 1/3 of clavicle

A - Upward Rotation; Elevation; Retraction; Ipsilat. Lateral Flexion C-Spine; Contralat Rotation C-Spine

N - Accessory Nerve (CN XI); ventral rami C2-C4

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16
Q

LATISSIMUS DORSI

A

O - Lower Thoracic T7-T12 SP; Thoracolumbar Fascia; Posterior Iliac Crest; Ribs 9-12; Inf. Angle Scapula.

I - Medial Border Bicipital Groove

A - Adduction; Extension; Int. Rotation; Hor. Abduction; Retraction; Downward Rotation; Depression

N - Thoracodorsal Nerve

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17
Q

ANTERIOR DELTOID

A

O - Lateral Clavicle

I - Deltoid Tuberosity

A - ADD < 60˚ABD; ABD > 60˚ ABD; Flexion; Int. Rotation; Hor Adduction

N - Axillary Nerve

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18
Q

MIDDLE DELTOID

A

O - Acromion

I - Deltoid Tuberosity Humerus

A - Abduction

N - Axillary Nerve

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19
Q

POSTERIOR DELTOID

A

O - Scapular Spine

I - Deltoid Tuberosity

A - ADD < 60˚ ABD; ABD > 60˚ ABD; Extension; Ext. Rotation; Hor. Abduction

N - Axillary Nerve

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20
Q

TERES MAJOR

A

O - Inferior Angle Scapula

I - Medial Border Bicipital Groove

A - Adduction; Extension; Int. Rotation; Hor Abduction

N - Lower Subscapular Nerve

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21
Q

CORACOBRACHIALIS

A

O - Coracoid Process Scapula

I - Medial Humerus

A - Flexion; Adduction; Hor. Adduction; Int. Rotation

N - Musculocutaneous Nerve

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22
Q

PECTORALIS MAJOR: STERNAL

A

O - Sternum; Costal Cartilages Ribs 2-6

I - Lateral Border Bicipital Groove

A - Int. Rotation; Hor Adduction; Adduction; Protraction; Downward Rotation; Extension > 30˚ Flexion; Flexion if Hyperextended

N - Medial and Lateral Pectoral Nerves

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23
Q

PECTORALIS MAJOR: CLAVICULAR

A

O - Medial Clavicle

I - Lateral Border Bicipital Groove

A - Int. Rotation; Flexion; Hor. Adduction; ADD GH < 90˚; ABD GH > 90˚

N - Medial and Lateral Pectoral Nerves

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24
Q

TRICEPS BRACHII: LONG HEAD

A

O - Infraglenoid Tubercle Scapula

I - Olecranon

A - Elbow Ext; GH Ext; (GH Adduction, GH HOR ABD)

N - Radial Nerve

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25
Q

TRICEPS BRACHII: MEDIAL HEAD

A

O - Distal Posterior Surface Humerus

I - Olecranon

A - Elbow Ext

N - Radial Nerve

26
Q

TRICEPS BRACHII: LATERAL HEAD

A

O - Proximal Posterior Surface Humerus

I - Olecranon

A - Elbow Ext

N - Radial Nerve

27
Q

ANCONEUS

A

O - Lateral Epicondyle Humerus

I - Olecranon

A - Elbow Ext

N - Radial Nerve

28
Q

BRACHIALIS

A

O - Distal Anterior Humerus

I - Ulnar Tuberosity

A - Elbow Flexion

N - Musculocutaneous Nerve

29
Q

BICEPS BRACHII: LONG HEAD

A

O - Supraglenoid Tubercle Scapula

I - Radial Tuberosity

A - Elbow Flexion; RU Supination; GH Flexion; (GH Abduction); (GH Int. Rotation)

N - Musculocutaneous Nerve

30
Q

BICEPS BRACHII: SHORT HEAD

A

O - Coracoid Process Scapula

I - Radial Tuberosity

A - Elbow Flexion; RU Supination; GH Flexion; (GH Abduction); (GH Int. Rotation)

N - Musculocutaneous Nerve

31
Q

BRACHIORADIALIS

A

O - Lateral Supracondylar Ridge Humerus

I - Styloid Process Radius

A - Elbow Flexion; RU Pronation/Supination

N - Radial Nerve

32
Q

EXTENSOR CARPI RADIALIS LONGUS

A

O - Lateral Supracondylar Ridge Humerus

I - Base of 2nd MC

A - Wrist Extension; Radial Deviation; (Elbow Flexion)

N - Deep Radial Nerve

33
Q

EXTENSOR CARPI RADIALIS BREVIS

A

O - Lateral Epicondyle of Humerus

I - Base of 3rd MC

A - Wrist Extension; Radial Deviation; (Elbow Flexion)

N - Deep Radial Nerve

34
Q

SUPINATOR

A

O - Lateral Epicondyle Humerus; Supinator Crest Ulna

I - Lateral Radius

A - RU Supination

N - Deep Radial Nerve

35
Q

EXTENSOR DIGITORUM

A

O - Lateral Epicondyle Humerus

I - Middle and Distal Phalanges 2-5

A - Extension (and Abduction) MCPs and IPs 2-5; Wrist Extension

N - Posterior Interosseous (Radial Nerve)

36
Q

EXTENSOR DIGITI MINIMI

A

O - Lateral Epicondyle Humerus

I - 5th Middle and Distal Phalanges

A - Ext (and Abd) 5th MCP and IP; (Wrist Extension); (Ulnar Deviation)

N - Posterior Interosseous (Radial Nerve)

37
Q

EXTENSOR CARPI ULNARIS

A

O - Lateral Epicondyle Humerus; Posterior Ulna

I - Base of 5th MC

A - Wrist Extension; Ulnar Deviation

N - Posterior Interosseous (Radial Nerve)

38
Q

ABDUCTOR POLLICIS LONGUS

A

O - Posterior Radius; Posterior Ulna; IO Membrane

I - Base of 1st MC

A - 1st CMC Abduction; (Radial Deviation)

N - Posterior Interosseous (Radial Nerve)

39
Q

EXTENSOR POLLICIS BREVIS

A

O - Posterior Radius; IO Membrane

I - Base of 1st Proximal Phalanx

A - 1st CMC Extension; 1st MCP Extension; (Wrist Extension); (Radial Deviation)

N - Posterior Interosseous (Radial Nerve)

40
Q

EXTENSOR POLLICIS LONGUS

A

O - Posterior Ulna; IO Membrane

I - Base of 1st Distal Phalanx

A - 1st CMC, MCP, IP Extension; (1st CMC Adduction); (Radial Deviation); (Wrist Extension)

N - Posterior Interosseous (Radial Nerve)

41
Q

EXTENSOR INDICIS

A

O - Posterior Ulna; IO Membrane

I - 2nd Middle and Distal Phalanges

A - 2nd MCP, PIP, DIP Extension; Wrist Extension

N - Posterior Interosseous (Radial Nerve)

42
Q

PRONATOR TERES

A

O - Medial Epicondyle Humerus (humeral head); Coronoid Process Ulna (ulnar head)

I - Lateral Surface Radius

A - RU Pronation; (Elbow Flexion)

N - Median Nerve

43
Q

FLEXOR DIGITORUM SUPERFICIALIS

A

O - Medial Epicondyle Humerus; Coronoid Process Ulna

I - Side of Middle Phalanges 2-5

A - MCP, PIP Flexion 2-5; Wrist Flexion; (Elbow Flexion)

N - Median Nerve

44
Q

FLEXOR CARPI RADIALIS

A

O - Medial Epicondyle Humerus

I - Base of 2nd MC

A - Wrist Flexion; Radial Deviation

N - Median Nerve

45
Q

FLEXOR CARPI ULNARIS

A

O - Medial Epicondyle Humerus; Olecranon

I - Pisiform; Hook of Hammate

A - Wrist Flexion; Ulnar Deviation

N - Ulnar Nerve

46
Q

PALMARIS LONGUS

A

O - Medial Epicondyle Humerus

I - Palmar Aponeurosis

A - Wrist Flexion; (Elbow Flexion); (Tighten Palmar Aponeurosis)

N - Median Nerve

47
Q

FLEXOR DIGITORUM PROFUNDUS

A

O - Proximal Anterior Ulna; IO Membrane

I - Distal Phalanges 2-5

A - Wrist Flexion; MCP, PIP, DIP Flexion 2-5

N - Digits 2/3: Anterior Interosseous (Median Nerve)
Digits 4/5: Ulnar Nerve

48
Q

FLEXOR POLLICIS LONGUS

A

O - Anterior Radius; IO Membrane

I - Distal 1st Phalanx

A - 1st CMC, MCP, IP Flexion; Wrist Flexion; (Oppose CMC); (Radial Deviation)

N - Anterior Interosseous (Median Nerve)

49
Q

PRONATOR QUADRATUS

A

O - Distal Anterior Surface Ulna

I - Distal Anterior Surface Radius

A - RU Pronation

N - Anterior Interosseous (Median Nerve)

50
Q

ABDUCTOR POLLICIS BREVIS

A

O - Flexor Retinaculum; Scaphoid; Trapezium

I - Base of 1st Proximal Phalanx

A - 1st CMC Abduction

N - Median Recurrent Nerve

51
Q

FLEXOR POLLICIS BREVIS

A

O - Flexor Retinaculum; Capitate; Trapezium

I - Base of 1st Proximal Phalanx

A - 1st CMC Flexion; 1st MCP Flexion; (Opposition)

N - Median Recurrent Nerve

52
Q

OPPONENS POLLICIS

A

O - Trapezium

I - 1st MC

A - 1st CMC Opposition

N - Median Recurrent Nerve

53
Q

ADDUCTOR POLLICIS (TRANSVERSE)

A

O - 3rd MC

I - Base of 1st Proximal Phalanx

A - 1st CMC Adduction; (1st MCP Flexion); (Opposition)

N - Deep Ulnar Nerve

54
Q

ADDUCTOR POLLICIS (OBLIQUE)

A

O - Base of 2nd MC; Capitate

I - Base of 1st Proximal Phalanx

A - 1st CMC Adduction; (1st MCP Flexion); (Opposition)

N - Deep Ulnar Nerve

55
Q

PALMARIS BREVIS

A

O - Palmar Aponeurosis

I - Skin of Hypothenar Eminence

A - Tenses Skin of Palm

N - Superficial Ulnar Nerve

56
Q

ABDUCTOR DIGITI MINIMI

A

O - Pisiform

I - Base of 5th Proximal Phalanx

A - 5th MCP Abduction; (5th MCP Flexion); (IP Extension)

N - Deep Ulnar Nerve

57
Q

FLEXOR DIGITI MINIMI

A

O - Hook of Hammate; Flexor Retinaculum

I - Base of 5th Proximal Phalanx

A - 5th MCP Flexion

N - Deep Ulnar Nerve

58
Q

OPPONENS DIGITI MINIMI

A

O - Hook of Hammate

I - 5th MC

A - 5th MC Opposition

N - Deep Ulnar Nerve

59
Q

LUMBRICALS (1-4)

A

O - Radial Sides of FDP Tendons

I - Dorsal Digital Expansions

A - MCP Flexion; IP Extension

N - 1st/2nd Lumbricals: Median Recurrent Nerve
3rd/4th Lumbricals: Deep Ulnar Nerve

60
Q

DORSAL INTEROSSEI (1-4)

A

O - 2 Heads from Adjacent Sides of MCs 1-5

I - Base of 2nd, 3rd, and 4th Proximal Phalange; Dorsal Digital Expansion

A - MCP Abduction 2-4; (MCP Flexion 2-4) [“DAB”]

N - Deep Ulnar Nerve

61
Q

PALMAR INTEROSSEI (1-3)

A

O - 1st-Ulnar Side 2nd MC; 2nd-Radial Side 4th MC; 3rd-Radial Side 5th MC

I - Bases of Associated 2nd, 4th, and 5th Proximal Phalange; Dorsal Digital Expansions

A - MCP Abduction 2,4,5; (MCP Flexion 2,4,5)

N - Deep Ulnar Nerve

Anatomy (13 decks)

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